[Support request] Clear users’ browser cache?

[Kip]

Hi,
When using a style.css registered to WordPress via functions.php, it was possible to clear users’ browser caches using a version number, ie:
style.css?version=1.0, and then upping the version number to force visitors’ browsers to update to the latest version.
Is this possible with GeneratePress other than to start messing with the parent theme? Using a child them, without any registered css files at the child level, and not sure how to force a refresh.
Afraid I’ve been doing some fine tuning on the site, and want to be sure that users are getting the latest version.
Thanks!

[Ying]

Hi Kip,

This is not something that a theme can control, unfortunately.

I would recommend reaching out to cache plugins’ support to see if they have some insights.

[Kip]

Ok thanks maybe I’m not making myself clear – it’s very much something a theme can control, just by adding a version number to the style.css registration, like this:
(just an example)
wp_enqueue_style( ‘custom-style’, get_template_directory_uri() . ‘/css/custom-style.css?version=1.1′ );
Changing the version number of the style will force browsers to reload the style instead of using the locally cached one.
This is not a matter of cache plugins, the caching is happening in end users’ browsers.
Since there’s no stylesheet enqueued in the child theme, I don’t have access to changing version numbers and am wondering if there’s another way to force update end users stylesheets (I’m gathering that there’s not).

kip

[Tom]

Hi there,

Which files are you wanting to add a version number to?

If you’re using the child theme style.css file, you can see here that GeneratePress uses filemtime(): https://github.com/tomusborne/generatepress/blob/3.2.4/inc/general.php#L67

This function will get the date the file was last changed and convert it to a number, then append it to the child theme stylesheet. This should tell the browser to reload the file whenever the file is changed.

[Author]

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